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USE OF ACRYLIC RESIN IN RELEASING CHLORHEXIDINE

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Abstract

°á·Ð
Ŭ·Î¸£Çí½Ãµò ¼Û´Þ½Ã½ºÅÛÀÇ °³¹ß ¸ñÀûÀ¸·Î ÀÓ»ó¿¡¼­ ÈçÈ÷ »ç¿ëµÇ´Â °¡Ã¶¼º ±³Á¤ÀåÄ¡¿ë ·¹
Áø»óÀÇ Å©±â¿¡ Ŭ·Î¸£Á¶ÀÎÀ» µµÆ÷ÇÑ ÈÄ ·¹Áø»óÀÇ °ÇÁ¶»óÅ¿¡ µû¸¥ ¹æÃâ·®ÀÇ Â÷ÀÌ(½ÇÇè 1),
·¹ÁøÀÇ ´Ü·®Ã¼¿¡ Ŭ·Î¸£Á¶ÀÎÀ» °¢±â ´Ù¸¥ ¾çÀ¸·Î È¥ÇÕÇÏ¿© ·¹Áø½ÃÆíÀ» ÁßÇÕ½ÃŲ ÈÄÀÇ ¹æÃâ
·®(½ÇÇè 2-A). ·¹ÁøÀÇ ºÐ¸»¿¡ Ŭ·Î¸£Çí½Ãµò ºÐ¸»À» °¢±â ´Ù¸¥ ¾çÀ¸·Î È¥ÇÕÇÏ¿© ·¹ÁøÀ» ÁßÇÕ
½ÃŲ ÈÄÀÇ Å¬·Î¸£Çí½ÃµòÀÇ ¹æÃâ·®À» ÃøÁ¤(½ÇÇè 2-B)ÇÏ´Â ¼¼°¡ÁöÀÇ ¹æÃâ·® ÃøÁ¤½ÇÇè°ú, ·¹Áø
½ÃÆíÀÇ ±¼°î°­µµ(flexural strength) ÃøÁ¤À» ÅëÇØ ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù.
1. ½ÇÇè 1ÀÇ ¸ðµç ·¹Áø½ÃÆíÀº 1, 3, 5, 7ÀÏ°£ °ÇÁ¶µÈ ÈÄ¿¡µµ Ŭ·Î¸£Çí½ÃµòÀÌ ¹æÃâµÇ¾úÀ¸³ª,
Áï½Ã Áõ·ù¼ö¿¡ ³ÖÀº Á¦ 1±º¿¡¼­ÀÇ ÀÏÀÏ ¹æÃâ·® ¹× ÃÑ ¹æÃâ·®ÀÌ °¡Àå ¸¹¾Ò°í, 3±º, 5±º, 4±º,
2±ºÀÇ ¼øÀ¸·Î °¨¼ÒµÇ¾î ³ªÅ¸³µ´Ù(p<0.0001).
2. ½ÇÇè 1ÀÇ ¸ðµç ·¹Áø½ÃÆíÀ¸·ÎºÎÅÍ ¹æÃâµÈ Ŭ·Î¸£Çí½ÃµòÀº Á¦ 1ÀÏ¿¡ °¡Àå ¸¹¾Ò°í
(p<0.00l), ÀÌÈÄ Á¡Â÷ °¨¼ÒÇÏ´Â ¼­¹æÇüÁ¦ÀçÀÇ ¾ç»óÀ» º¸¿´´Ù.
3. ·¹ÁøÀÇ ´Ü·®Ã¼¿¡ Ŭ·Î¸£Á¶ÀÎÀÌ È¥Çյǰųª(½ÇÇè 2-A) ·¹ÁøÀÇ ºÐ¸»¿¡ Ŭ·Î¸£Çí½Ãµò ºÐ
¸»ÀÌ È¥ÇյǾ(½ÇÇè 2-B) ·¹Áø½ÃÆíÀº °æÈ­µÇ¾úÀ¸¸ç, Ŭ·Î¸£Çí½ÃµòÀÇ È¥ÇÕ·®ÀÌ ¸¹À»¼ö·Ï
ÀÏÀÏ ¹æÃâ·® ¹× ÃѹæÃâ·®ÀÌ ¸¹¾Ò°í(p<0.0001), ¼­¹æÇüÁ¦ÀçÀÇ ¾ç»óÀ» º¸¿´´Ù.
4. ½ÇÇè 2-A¿Í ½ÇÇè 2-BÀÇ ºñ±³¿¡¼­, ½ÇÇè 2-BÀÇ Á¦ 5±º¿¡¼­ Ŭ·Î¸£Çí½ÃµòÀÇ ÀÏÀÏ ¹æÃâ
·® ¹× ÃѹæÃâ·®ÀÌ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù(p<0.0001).
5. ½ÇÇè 2-A¿Í ½ÇÇè 2-BÀÇ ¸ðµç ·¹Áø½ÃÆíÀº ´ëÁ¶±º¿¡ ºñÇÏ¿© ±¼°î°­µµ°¡ ³·¾ÒÀ¸¸ç
(p<0.05), ½ÇÇè 2-A¿¡¼­´Â 2±º, 1±º, 3±º, 4±º, 5±ºÀÇ ¼øÀ¸·Î ³·¾ÆÁ³°í(p<0.0002), ½ÇÇè 2-B
¿¡¼­´Â 1±º, 2±º, 3±º, 4±º, 5±ºÀÇ ¼øÀ¸·Î ³·¾ÆÁ³´Ù(p<0.0001).
#ÃÊ·Ï#
The purpose of this study was to develop a new way of delivery system of
chlorhexidine using self-curing acrylic resin. Different preparations of chlorhexidine, such
as chlorhexidine varnish (ChlorzoinR) and chlorhexidine diacetate
crystalline, were mixed into self-curing acrylic resin with different methods. Every resin
plate was made and was immersed in 100§¢ of distilled water individually, and kept in
an incubator at 37¡É. Solution (0.8ml) was collected from the each container at every 24
hours, and the amount of released chlorhexidine in the solution was measured in an
ultraviolet spectrophotometer at 255nm.
Flexural strength of all of the resin plates in the Experiment 2-A and 2-B were
measured using Instron at the end of the experimental periods.
The results were as follows :
1. It was found that chlorhexidine was released from the experimental groups in the
Experiment 1,2-4, and 2-B. And the release of chlorhexidine from all of the experimental
groups showed a pattern of sustained-release preparation.
2. It seemed likely that a condition of ¡°dryness¡± reduced a release of chlorhexidine
from the chlorhexidine varnish.
3. It may be stated that a method of ¡°chlorhexidine diacetate mix¡± with the polymer
be more efficient than a method of ¡°Chlorzoin mix¡± with the monomer.
4. Although it was evident that a flexural strength of the acrylic resin plates be
reduced by a mix of either Chlorzoin or chlorhexidine diacetate crystalline, it seemed
likely that the resin plates except Group 4 and 5 in the Experiment 2-B may be usable
in the clinical situation.

Å°¿öµå

Acrylic Resin; Chlorhexidine; Sustained-release; Flexural Strength;

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